US4438251A
Expired / Lapsed
US
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Polyurethane polymers comprising macrocyclic crown ethers in the polymer backbone
Assignee: Armstrong World Industries Inc
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Filing: 1983-05-16
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Granted: 1984-03-20
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Expires: 2003-05-16
Abstract
Abstract The present invention relates to polyurethane polymers comprising macrocyclic polyether moieties in the polymer backbone. The polymers may be formed into films which are useful for a variety of purposes.
Inventors
- 👤 John E. Herweh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:55
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3203; C08G18/3218
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
148 words
Polyurethane polymers comprising macrocyclic polyether moieties in the polymer backbone, said polymers being obtained from the reaction of (a) a crown ether of the structure ##STR12## where n=1-3; R 1 =--CHOHR 5 , R 2 , R 3 , and R 4 independently=H or CH 3 , and R 5 =H or a straight or branched chain alkyl group having from 1-13 carbon atoms; provided that when R 1 is in the 3'-position, R 1 ' is in the 3"- or 6"-position, and when R 1 is in the 4-position, R 1 ' is in the 4"- or 5"-position, and further provided that the ring positions of R 2 ', R 3 ', and R 4 ' in relation to R 1 ' are the same as those of R 2 , R 3 and R 4 in relation to R 1 ; and (b) a suitable diisocyanate.
Claim 2
Dependent Claim
148 words
Polyurethane polymers comprising macrocyclic polyether moieties in the polymer backbone, said polymers being obtained from the reaction of (a) a crown ether of the structure ##STR12## where n=1-3; R 1 =--CHOHR 5 , R 2 , R 3 , and R 4 independently=H or CH 3 , and R 5 =H or a straight or branched chain alkyl group having from 1-13 carbon atoms; provided that when R 1 is in the 3'-position, R 1 ' is in the 3"- or 6"-position, and when R 1 is in the 4-position, R 1 ' is in the 4"- or 5"-position, and further provided that the ring positions of R 2 ', R 3 ', and R 4 ' in relation to R 1 ' are the same as those of R 2 , R 3 and R 4 in relation to R 1 ; and (b) a suitable diisocyanate.
Claim 3
Dependent Claim
17 words
The invention as set forth in claim 1 hereof wherein said crown ether comprises an unrelated diol.
Claim 4
Dependent Claim
11 words
The invention as set forth in claim 1 hereof wherein n=2.
Claim 5
Dependent Claim
17 words
The invention as set forth in claim 3 hereof wherein said crown ether comprises an unrelated diol.
Claim 6
Dependent Claim
149 words
A process for preparing polyurethane polymers comprising macrocyclic polyether moieties in the polymer backbone, said process comprising the interaction of (a) a crown ether of the structure ##STR13## where n=1-3; R 1 =--CHOHR 5 , R 2 , R 3 , and R 4 independently=H or CH 3 , and R 5 =H or a straight or branched chain alkyl group having from 1-13 carbon atoms; provided that when R 1 is in the 3'-position, R 1 ' is in the 3"- or 6"-position, and when R 1 is in the 4'-position, R 1 ' is in the 4"- or 5"-position, and further provided that the ring positions of R 2 ', R 3 ', and R 4 ' in relation to R 1 ' are the same as those of R 2 , R 3 and R 4 in relation to R 1 . (b) a suitable diisocyanate.
Claim 7
Dependent Claim
149 words
A process for preparing polyurethane polymers comprising macrocyclic polyether moieties in the polymer backbone, said process comprising the interaction of (a) a crown ether of the structure ##STR13## where n=1-3; R 1 =--CHOHR 5 , R 2 , R 3 , and R 4 independently=H or CH 3 , and R 5 =H or a straight or branched chain alkyl group having from 1-13 carbon atoms; provided that when R 1 is in the 3'-position, R 1 ' is in the 3"- or 6"-position, and when R 1 is in the 4'-position, R 1 ' is in the 4"- or 5"-position, and further provided that the ring positions of R 2 ', R 3 ', and R 4 ' in relation to R 1 ' are the same as those of R 2 , R 3 and R 4 in relation to R 1 . (b) a suitable diisocyanate.
Claim 8
Dependent Claim
17 words
The invention as set forth in claim 5 hereof wherein said crown ether comprises an unrelated diol.
Claim 9
Dependent Claim
11 words
The invention as set forth in claim 5 hereof wherein n=2.
Claim 10
Dependent Claim
17 words
The invention as set forth in claim 7 hereof wherein said crown ether comprises an unrelated diol.
Claim 11
Dependent Claim
123 words
Polyurethane polymers comprising macrocyclic polyether moieties in the polymer backbone, said polymers being obtained from the reaction of a crown ether of the structure ##STR14## where n=1-3; R 6 =--R 7 --CHOH--R 8 , R 2 , R 3 , and R 4 independently=H or CH 3 , R 7 =--CH 2 -- or --CH 2 CH 2 --, and R 8 is a straight or branched chain lower alklyl group having from 1-6 carbon atoms, provided that the ring positions of R 2 ', R 3 ' and R 4 ' in relation to R 1 ' are the same as those of R 2 , R 3 , and R 4 in relation to R 1 ; and a suitable diisocyanate.
Claim 12
Dependent Claim
123 words
Polyurethane polymers comprising macrocyclic polyether moieties in the polymer backbone, said polymers being obtained from the reaction of a crown ether of the structure ##STR14## where n=1-3; R 6 =--R 7 --CHOH--R 8 , R 2 , R 3 , and R 4 independently=H or CH 3 , R 7 =--CH 2 -- or --CH 2 CH 2 --, and R 8 is a straight or branched chain lower alklyl group having from 1-6 carbon atoms, provided that the ring positions of R 2 ', R 3 ' and R 4 ' in relation to R 1 ' are the same as those of R 2 , R 3 , and R 4 in relation to R 1 ; and a suitable diisocyanate.
Claim 13
Dependent Claim
17 words
The invention as set forth in claim 9 hereof wherein said crown ether comprises an unrelated diol.
Claim 14
Dependent Claim
11 words
The invention as set forth in claim 9 hereof wherein n=2.
Claim 15
Dependent Claim
17 words
The invention as set forth in claim 11 hereof wherein said crown ether comprises an unrelated diol.
Claim 16
Dependent Claim
133 words
A process for preparing polyurethane polymers comprising macrocylic polyether moieties in the polymer backbone, said process comprising the step of interacting a crown ether of the structure ##STR15## interacting a crown ether of the structure where n=1-3; R 6 =--R 7 --CHOH--R 8 , R 2 , R 3 , and R 4 independently=H or CH 3 , R 7 =--CH 2 -- or --CH 2 CH 2 --, and R 8 is a straight or branched chain lower alklyl group having from 1-6 carbon atoms, provided that the ring positions of R 2 ', R 3 ', and R 4 ' in relation to R 1 ' are the same as those of R 2 , R 3 , and R 4 in relation to R 1 ; and a suitable diisocyanate.
Claim 17
Dependent Claim
133 words
A process for preparing polyurethane polymers comprising macrocylic polyether moieties in the polymer backbone, said process comprising the step of interacting a crown ether of the structure ##STR15## interacting a crown ether of the structure where n=1-3; R 6 =--R 7 --CHOH--R 8 , R 2 , R 3 , and R 4 independently=H or CH 3 , R 7 =--CH 2 -- or --CH 2 CH 2 --, and R 8 is a straight or branched chain lower alklyl group having from 1-6 carbon atoms, provided that the ring positions of R 2 ', R 3 ', and R 4 ' in relation to R 1 ' are the same as those of R 2 , R 3 , and R 4 in relation to R 1 ; and a suitable diisocyanate.
Claim 18
Dependent Claim
17 words
The invention as set forth in claim 13 hereof wherein said crown ether comprises an unrelated diol.
Claim 19
Dependent Claim
11 words
The invention as set forth in claim 13 hereon wherein n=2.
Claim 20
Dependent Claim
17 words
The invention as set forth in claim 15 hereof wherein said crown ether comprises an unrelated diol.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-03-20 | 1987-09-19 | 1988-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-20 | 1991-09-19 | 1992-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-20 | 1995-09-19 | 1996-03-20 | $7700.00 | Window Closed / Lapsed |